how to use workpress 3.0 multi sites functionality?

Question

how to enalble wordpress 3.0 multisites and open registration to public people?

Answer 1

To enable this feature, simply open your wp-config.php file located in your WordPress root folder. Then add the following line anywhere in the file:

define('WP_ALLOW_MULTISITE', true);

Once you have done that, you should be able to access the network page from Tools » Network

Source: http://www.wpbeginner.com/wp-tutorials/how-to-enable-multi-site-option-in-wordpress-3-0/